thuydao12305 2/20/2024 8:26:39 PM

Question 213: The most            mineral derived from the sea is sodium chloride or common salt.

A. insufficient                   B. sufficient                      C. generous                       D. plentiful 

Question 214: A number of young teachers nowadays              themselves to teaching disadvantaged children.

A. offer                             B. stick                              C. give                               D. devote

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